<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>switch开关</title>
  <link rel="stylesheet" href="style.css">
</head>
<body class="light">
  <div class="switch-box">
    <input type="checkbox" id="switch">
    <label class="switch" for="switch"></label>
  </div>
</body>
<script src="index.js"></script>
</html>